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What is memory fragmentation?
I've heard the term "memory fragmentation" used a few times in the context of C++ dynamic memory allocation. I've found some questions about how to deal with memory fragmentation, but can't find a direct question that deals with it itself. So:
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What is the difference between LR, SLR, and LALR parsers?
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SLR, LALR and LR parsers can all be implemented using exactly the same table-driven machinery.
Fundamentally, the parsing algorithm collects the next input token T, and consults the current state S (and associated lookahead, GOTO, and reduction tables) to decide ...
Would it be beneficial to begin using instancetype instead of id?
...d autocomplete better.
Only use it where it makes sense of course (i.e. a method that is returning an instance of that class); id is still useful.
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Mixing Angular and ASP.NET MVC/Web api?
I come from using ASP.NET MVC/Web API and now I am starting to use Angular but I am not clear on the proper way to mix them.
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What does auto&& tell us?
...u won't be able to later bind it to any non-const references or invoke any member functions that are not marked const.
As an example, imagine that you want to get a std::vector, take an iterator to its first element and modify the value pointed to by that iterator in some way:
auto&& vec =...
When to make a type non-movable in C++11?
I was surprised this didn't show up in my search results, I thought someone would've asked this before, given the usefulness of move semantics in C++11:
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Difference between Mock / Stub / Spy in Spock test framework
...wler's website.
A mock is a dummy class replacing a real one, returning something like null or 0 for each method call. You use a mock if you need a dummy instance of a complex class which would otherwise use external resources like network connections, files or databases or maybe use dozens of othe...
How can I exclude all “permission denied” messages from “find”?
I need to hide all permission denied messages from:
17 Answers
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OPTION (RECOMPILE) is Always Faster; Why?
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There are times that using OPTION(RECOMPILE) makes sense. In my experience the only time this is a viable option is when you are using dynamic SQL. Before you explore whether this makes sense in your situation I would recommend rebuild...
Image comparison - fast algorithm
...andard approach in computer vision, keypoint matching. This may require some background knowledge to implement, and can be slow.
The second method uses only elementary image processing, and is potentially faster than the first approach, and is straightforward to implement. However, what it gains i...